Home / 76,206.79-105,192.98-62,035.03

Finding the Fourth Proportional to 76,206.79, 105,192.98 and 62,035.03

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Solution

The fourth proportional to 76,206.79, 105,192.98 and 62,035.03 is: 85,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,206.79 : 105,192.98 = 62,035.03 : x
  2. Step 2: Convert to fraction form
    76,206.79/105,192.98 = 62,035.03/x
  3. Step 3: Cross multiply
    76,206.79x = 105,192.98 × 62,035.03
  4. Step 4: Simplify right side
    76,206.79x = 6,525,649,359.91
  5. Step 5: Solve for x
    x = 6,525,649,359.91/76,206.79
  6. Step 6: Final answer
    x = 85,630.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.